Hi, 

I make a OVA by "ovirt appliance", then import my ovirt cluster ,but here is trouble 

ovirt-engine 4.2.0

2018-06-26 15:55:51,032+0800 INFO  (jsonrpc/3) [api.host] FINISH getExternalVmFromOva error=Error parsing ovf information: no memory size from=::ffff:192.168.100.48,37288, flow_id=29946b38-c3fc-4ade-80c6-4f304fa0faa7 (api:50)

2018-06-26 15:55:51,033+0800 ERROR (jsonrpc/3) [jsonrpc.JsonRpcServer] Internal server error (__init__:611)

Traceback (most recent call last):

  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 606, in _handle_request

    res = method(**params)

  File "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 197, in _dynamicMethod

    result = fn(*methodArgs)

  File "<string>", line 2, in getExternalVmFromOva

  File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line 48, in method

    ret = func(*args, **kwargs)

  File "/usr/lib/python2.7/site-packages/vdsm/API.py", line 1503, in getExternalVmFromOva

    return v2v.get_ova_info(ova_path)

  File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 244, in get_ova_info

    _add_general_ovf_info(vm, root, ns, ova_path)

  File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 1385, in _add_general_ovf_info

    raise V2VError('Error parsing ovf information: no memory size')

V2VError: Error parsing ovf information: no memory size